US6149235A - Rotary-cam type reclining device - Google Patents
Rotary-cam type reclining device Download PDFInfo
- Publication number
- US6149235A US6149235A US09/373,871 US37387199A US6149235A US 6149235 A US6149235 A US 6149235A US 37387199 A US37387199 A US 37387199A US 6149235 A US6149235 A US 6149235A
- Authority
- US
- United States
- Prior art keywords
- cam
- rotary
- base
- arm
- pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
- B60N2/2356—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with internal pawls
- B60N2/2362—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with internal pawls rotatably movable
Definitions
- the present invention relates to a rotary-cam type reclining device having three pawl arms pivotally connected to a base and simultaneously operated by a cam for locking and unlocking the reclining device.
- Rotary-cam type reclining devices are suitable for use in automobile reclining seats.
- the device is lockable by way of a rotary motion of the rotary cam mechanically linked to a reclining lever for forward and backward angular adjustment of a seat back relative to a seat cushion.
- a typical rotary-cam type reclining device includes a base fixed to a seat cushion and having a recessed portion formed with two opposing parallel sidewalls, an arm fixed to a seat back and rotatably supported by the base via a pivot shaft and two toothed blocks slidably guided in the two opposing parallel sidewalls in the base.
- a reclining lever is integrally connected to the pivot shaft and a rotary-cam is fixed to the pivot shaft and is operative to mesh or unmesh the radially sliding toothed locks with or from the inner toothed portion of the arm by way of rotation of the rotary cam.
- U.S. Pat. No. 5,873,630 includes a base fixed to a seat cushion, a toothed arm fixed to a seat back and rotatably supported on the base, and a radially slidable toothed block slidably disposed between the base and the arm and having an outer toothed portion and a cam contour surface slidably guided by two parallel sidewalls of a recessed toothed block guide.
- a rotary cam produces outward and inward sliding motions of the toothed block to mesh and unmesh the outer toothed portion of the toothed block.
- the '630 patent recognizes the need for improved mechanical strength in such typical rotary-cam type reclining devices, and also recognizes the undesirability of simply increasing the thickness of various components to increase the mechanical strength of the reclining device, as well as the undesirability of using an expensive high strength steel.
- the '630 patent provides an auxiliary interlocking member which is responsive to deformation of the toothed block resulting from impact applied to the arm. The interlocking member locks the rotary-cam type reclining device by meshing engagement with the inner toothed portion of the arm.
- this design merely adds additional parts to the assembly, thereby resulting in increased manufacturing and assembly costs.
- the present invention overcomes the above-referenced shortcomings of prior art rotary-cam type reclining devices by providing a rotary-cam type reclining device which includes three pawl arms pivotally connected to the base.
- the three pawl arms are arranged in a manner that they create a triangle between the point of contact of the teeth, the pivot point of the pawl and the pivot point of the cam. Triangular loading with metal-to-metal contact provides improved strength and improved reliability.
- the device is provided with a single spring which simultaneously biases the three pawl arms into locking engagement with the inner toothed portion.
- the invention provides a rotary-cam type reclining device including a base adapted to be fixed to a seat cushion, and an arm adapted to be fixed to a seat back and rotatably connected to the base, wherein the arm has an inner toothed portion.
- First, second and third pawl arms are pivotally connected to the base.
- Each pawl arm has an outer toothed portion along an outer edge thereof engageable with the inner toothed portion.
- Each pawl arm also has a cam contour surface along an inner edge thereof.
- a rotary cam includes first, second and third cam arms engageable with the first, second and third pawl arms, respectively.
- Each cam arm has a cam profile surface that is in cam connection with the cam contour surface of the respective pawl arm for producing inward and outward radial motions of the respective pawl arm to mesh and unmesh the inner and outer toothed portions by a rotary motion of the rotary cam.
- An operating lever is mechanically linked to the rotary cam for producing the rotary motion of the rotary cam.
- a single spring biases the rotary cam with respect to the base whereby each of the first, second and third pawl arms are forced into meshing engagement with the inner toothed portion.
- an object of the invention is to provide an improved rotary-cam type reclining device with increased mechanical strength without increased manufacturing costs and weight.
- a further object of the invention is to provide an improved rotary-cam type reclining device with a reduced part count, reduced weight and reduced number of moving parts.
- FIG. 1 shows a perspective view of a rotary-cam type reclining device in accordance with the present invention
- FIG. 2 shows an exploded perspective view of the device of FIG. 1;
- FIG. 3 shows a perspective view of the device of FIG. 1, with the base and arm removed;
- FIG. 4 shows a plan view of the interior of the reclining device with the pawl arms in the unlocked position
- FIG. 5 shows a plan view of the device of FIG. 4 with the pawl arms in the locked position
- FIG. 6 shows a perspective view of an arm in accordance with a slightly alternative embodiment of the invention.
- FIG. 7 shows a perspective view of the base and pawl arms for use with the embodiment of FIG. 6;
- FIG. 8 shows a perspective view of a rotary spring for use with the embodiment of FIG. 6;
- FIG. 9 shows a perspective view of a cam shaft for use with the embodiment of FIG. 6;
- FIG. 10 shows a perspective view of a cam for use with the embodiment of FIG. 6;
- FIG. 11 shows a schematic plan view of a cam and pawl arm in the locked position in accordance with the embodiment of FIG. 6;
- FIG. 12 shows a schematic plan view of the cam and pawl arm of FIG. 11 immediately prior to unlocking
- FIG. 13 shows a schematic plan view of the cam and pawl arm of FIG. 11 in the unlocked position.
- FIGS. 1 and 2 The rotary-cam type recliner device 10 of the present invention is shown in FIGS. 1 and 2.
- a base 12 is adapted to be fixed to a seat track or seat adjuster, and thereby fixed with respect to a seat cushion of a vehicle.
- the base 12 includes a backplate 14 connected thereto by studs 16.
- Pawl arms 18,20,22 are pivotally connected to the backplate 14 by the studs 24.
- the cam 26 includes first, second and third cam arms 28,30,32, and has a central aperture 34 for receiving a cam shaft 36.
- a rotary spring 38 is positioned around the cam shaft 36, and engages the base 12 at one end, and the rotary cam 26 at the opposite end.
- a toothed ring 40, front plate 42 and locking ring 44 are connected to form integral parts of the arm 46.
- the arm 46 has an upper portion 48 adapted to be connected to a seat back for pivotal movement therewith.
- the rivets 50 secure the front plate 42 to the toothed ring 40.
- the front plate 42 also holds the studs 52 for the upper bracket.
- FIG. 3 shows a perspective view of the resulting sub-assembly when the locking ring 44 is connected with the backplate 14.
- the recliner mechanism 10 works in the following manner.
- the lever 9 rotates the cam shaft 36, which in turn rotates the cam 26.
- the cam 26 rotates about its pivot point (the middle of the cam shaft 36), it pulls all three pawls 18,20,22 away from the toothed ring 40 and allows the seatback to rotate.
- the cam 26 and pawl arms 18,20,22 are designed to work inside the toothed ring 40.
- the cam 26 is designed to control the pull and push of all three pawl arms 18,20,22 at the same time.
- the three pawl arms 18,20,22 are radially spaced equidistantly with respect to the camshaft about the base and are arranged in a manner that they create a triangle between the point of contact of the inner and outer toothed portions 56,58, the pivot point 19 of each pawl 18,20,22, and the pivot point of the cam 26 (i.e., the center of the cam shaft 36). Triangular loading with metal-to-metal contact provides higher strength and improved reliability.
- the mechanism is designed to ensure positive locking by slightly offsetting one of the outer toothed portions 56 with respect to the inner toothed portion 58, thereby ensuring that at least one outer toothed portion 56 becomes immediately locked onto the inner toothed portion 58 when the pawl arms 18,20,22 engage the inner toothed portion 58.
- This mechanism will have application in a wide range of seats. It is a simple and low cost design with slim packaging and positive locking features. The system is easy to manufacture with reduced number of moving parts. It can be used as a single or dual-sided recliner with either cable or torque rod actuation.
- each of the pawl arms 18,20,22 includes an outer toothed portion 56 along an outer edge 57 thereof.
- Each pawl arm 18,20,22 also includes a cam contour surface 62 along an inner edge thereof.
- Each cam arm 28,30,32 includes a cam profile surface 64 along an outer edge thereof which is in cam connection with the cam contour surface 62 of the respective pawl arm 18,20,22 for producing inward and outward radial motions of the respective pawl arms 18,20,22 about their pivot points 19 as a result of rotary motion of the cam 26.
- FIG. 4 shows the pawl arms 18,20,22 held in the unlocked position wherein the cam contour surface 62 and cam profile surface 64 meet at the engagement point 65 of the respective cam arms and pawl arms.
- FIG. 5 shows the outer toothed portion 56 of each pawl arm 18,20,22 forced into locking engagement with the inner toothed portion 58 of the toothed ring 40 as a result of the cam contour surface 62 engaging the cam profile surface 64 at the engagement point 67 of each respective cam arm and pawl arm.
- the rotary spring 38 forces each cam profile surface 64 against the respective cam contour surface 62 at the engagement points 67, thereby holding each pawl arm in locking engagement with the inner toothed portion 58 of the ring 40.
- the rotary spring 38 is engaged at one end 68 in a groove 70 of the cam 26, and is engaged at an opposite end 72 with the base (not shown) to provide such rotary bias on the cam 26. This engagement at the opposite end 72 is provided by inserting the opposite end 72 through a hole formed in the base 12.
- FIGS. 6-13 illustrate a slightly modified embodiment of the inventor which is functionally identical to that described in the embodiment of FIGS. 1-5 and in which like components are identified by like reference numbers.
- the base and cam ring have been combined into a single component 40', which includes the identical inner toothed portion 58.
- the pawl arms 18',20',22' shown in FIG. 7 are slightly modified in shape, but include the identical outer toothed portion 56, and are supported by a plate 72 via pivot pins 19'.
- the rotary spring 38' shown in FIG. 8 includes a first end 68' engageable with a cam 26' shown in FIG. 10, and a second end 72' engageable with the base.
- the cam shaft 36 shown in FIG. 9 is substantially identical to that shown in FIG. 2.
- the rotary cam 26' shown in FIG. 10 is slightly modified in shape in comparison to that shown in FIG. 2, but substantially identical in function.
- FIGS. 11-13 show a sequence of cam 26' positions with respect to the pawl arm 18'.
- FIG. 11 shows the cam profile surface 64' engaging the cam contour surface 62' at the contact point 76', thereby holding the pawl arm 18' in the locked position wherein the outer toothed portion 56 is engaged.
- FIG. 12 the cam 26' has been rotated 14° and the cam profile surface 64' has engaged the cam contour surface 62' at the contact point 77' to initiate unlocking.
- FIG. 13 the cam 26' has been rotated 25°, and the cam profile surface 64' engages the cam contour surface 62' at the contact point 78' to hold the pawl arm 18' in the unlocked position in which it is rotated 6° about its pivot point 19' with respect to the locked position shown in FIG. 11.
- the embodiment of FIGS. 6-13 is substantially functionally identical to that of FIGS. 1-5.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
Description
Claims (9)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/373,871 US6149235A (en) | 1999-08-13 | 1999-08-13 | Rotary-cam type reclining device |
PCT/US2000/021851 WO2001012462A1 (en) | 1999-08-13 | 2000-08-11 | Rotary-cam type reclining device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/373,871 US6149235A (en) | 1999-08-13 | 1999-08-13 | Rotary-cam type reclining device |
Publications (1)
Publication Number | Publication Date |
---|---|
US6149235A true US6149235A (en) | 2000-11-21 |
Family
ID=23474235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/373,871 Expired - Fee Related US6149235A (en) | 1999-08-13 | 1999-08-13 | Rotary-cam type reclining device |
Country Status (2)
Country | Link |
---|---|
US (1) | US6149235A (en) |
WO (1) | WO2001012462A1 (en) |
Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003010025A1 (en) * | 2001-07-20 | 2003-02-06 | Keiper Gmbh & Co Kg | Locking device for a vehicle seat |
US6520583B1 (en) * | 2000-08-24 | 2003-02-18 | Fisher Dynamics Corporation | Compact disc recliner |
US20030042780A1 (en) * | 2001-09-05 | 2003-03-06 | Keiper Gmbh & Co | Unlocking device in a vehicle seat |
US6609758B1 (en) * | 1998-10-13 | 2003-08-26 | Marc Lefevere | Device for indexed adjusting a mobile part position |
US6629733B2 (en) * | 2000-06-29 | 2003-10-07 | Fujikiko Kabushiki Kaisha | Reclining device |
US20040036337A1 (en) * | 2002-06-19 | 2004-02-26 | Aisin Seiki Kabushiki Kaisha | Seat reclining device |
US20050056518A1 (en) * | 2002-02-06 | 2005-03-17 | Weber James Leo | Two way locking rotary drive clutch assembly |
US6890034B2 (en) | 2003-01-28 | 2005-05-10 | Fisher Dynamics Corporation | Compact recliner with locking cams |
US6910738B2 (en) | 2003-01-28 | 2005-06-28 | Fisher Dynamics Corporation | Device and method for assembling a recliner mechanism |
USH2129H1 (en) * | 2000-08-09 | 2005-11-01 | Intier Automotive Inc. | Disc recliner assembly with fold-flat latch link mechanism |
US7017995B2 (en) | 2003-12-31 | 2006-03-28 | Lear Corporation | Vehicle seat having a backrest locking assembly |
US7025422B2 (en) | 2004-03-11 | 2006-04-11 | Fisher Dynamics Corporation | Round recliner assembly with rear folding latch |
US20060119158A1 (en) * | 2004-11-24 | 2006-06-08 | Michael Haverkamp | Vehicle seat |
US20060170269A1 (en) * | 2004-12-28 | 2006-08-03 | Yasukazu Oki | Recliner adjuster |
US7097253B2 (en) | 2004-03-11 | 2006-08-29 | Fisher Dynamics Corporation | Round recliner assembly with rear folding latch |
US20060250012A1 (en) * | 2005-03-15 | 2006-11-09 | Burkhard Becker | Hinge mounting for motor vehicle seats and having a round member |
US20060273645A1 (en) * | 2005-06-02 | 2006-12-07 | Lear Corporation | Power assist fold and tumble vehicle seat |
US20080047106A1 (en) * | 2006-08-22 | 2008-02-28 | C. Rob. Hammerstein Gmbh & Co. Kg | Hinge mountings for a motor vehicle seat with at least two stopper arms |
US20080073962A1 (en) * | 2006-09-12 | 2008-03-27 | Lear Corporation | Reclining Mechanism for Vehicle Seats |
US20080175658A1 (en) * | 2005-09-30 | 2008-07-24 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
US20080185892A1 (en) * | 2005-09-30 | 2008-08-07 | Keiper Gmbh & Co, Kg | Fitting for a vehicle seat |
US20080309469A1 (en) * | 2007-06-13 | 2008-12-18 | Lear Corporation | Battery monitoring system |
US20090079249A1 (en) * | 2007-09-26 | 2009-03-26 | Lear Corporation | Multi-load floor smartfold hybrid |
FR2927027A1 (en) * | 2008-02-06 | 2009-08-07 | Faurecia Sieges Automobile | Articulation mechanism for motor vehicle seat, has support surface permitting locking element to be in active position in set of angular tilting positions, and cam maintaining element in inactive position when cam is in unlocking position |
CN100528629C (en) * | 2005-03-15 | 2009-08-19 | C.劳勃;汉默斯坦两合有限公司 | Hinge mounting for motor vehicle seats and having a round member |
US7677666B2 (en) | 2008-01-09 | 2010-03-16 | Bae Industries, Inc. | Disc recliner assembly incorporated into a seatback/seat base pivot associated with a vehicle seat |
WO2009138164A3 (en) * | 2008-05-13 | 2010-05-06 | Keiper Gmbh & Co. Kg | Vehicle seat comprising fixtures |
US20100194164A1 (en) * | 2007-08-16 | 2010-08-05 | Jaewon Cha | Reclining device of seat for vehicle |
US20110309665A1 (en) * | 2008-10-22 | 2011-12-22 | Leighton Michael J | Recliner pawl member |
WO2012029368A1 (en) * | 2010-09-01 | 2012-03-08 | シロキ工業株式会社 | Reclining device |
WO2012103466A1 (en) * | 2011-01-27 | 2012-08-02 | Johnson Controls Technology Company | Manual lever recliner |
US8708412B2 (en) | 2008-01-17 | 2014-04-29 | Fisher & Company, Incorporated | Round recliner mechanism |
FR3009244A1 (en) * | 2013-07-31 | 2015-02-06 | Faurecia Sieges Automobile | MECHANICAL ASSEMBLY FOR LOCKING A LEVER ON AN ADJUSTMENT MECHANISM AND VEHICLE SEAT COMPRISING SUCH A MECHANICAL ASSEMBLY |
US20160001680A1 (en) * | 2013-02-14 | 2016-01-07 | Johnson Controls Components Gmbh & Co. Kg | Detent fitting for a vehicle seat, and vehicle seat |
US9296315B2 (en) | 2013-02-26 | 2016-03-29 | Fisher & Company, Incorporated | Recliner mechanism with backdriving feature |
US9902297B2 (en) | 2014-06-11 | 2018-02-27 | Fisher & Company, Incorporated | Latch mechanism with locking feature |
US9994132B2 (en) | 2013-07-11 | 2018-06-12 | Johnson Controls Gmbh | Adjusting drive, in particular height-adjusting drive, for a vehicle seat and having a catch device |
US10029588B2 (en) * | 2016-03-04 | 2018-07-24 | Shiroki Corporation | Seat reclining apparatus |
KR102017637B1 (en) * | 2018-06-05 | 2019-09-04 | (주)코텍 | Button apparatus for casino machine |
WO2020204378A1 (en) * | 2019-04-04 | 2020-10-08 | (주)코텍 | Operation device |
KR20200117820A (en) * | 2019-04-04 | 2020-10-14 | (주)코텍 | Operating device |
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Cited By (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6609758B1 (en) * | 1998-10-13 | 2003-08-26 | Marc Lefevere | Device for indexed adjusting a mobile part position |
US6629733B2 (en) * | 2000-06-29 | 2003-10-07 | Fujikiko Kabushiki Kaisha | Reclining device |
USH2129H1 (en) * | 2000-08-09 | 2005-11-01 | Intier Automotive Inc. | Disc recliner assembly with fold-flat latch link mechanism |
US6520583B1 (en) * | 2000-08-24 | 2003-02-18 | Fisher Dynamics Corporation | Compact disc recliner |
US6742845B2 (en) | 2001-07-20 | 2004-06-01 | Keiper Gmbh & Co. Kg | Locking device for a vehicle seat |
WO2003010025A1 (en) * | 2001-07-20 | 2003-02-06 | Keiper Gmbh & Co Kg | Locking device for a vehicle seat |
US20030042780A1 (en) * | 2001-09-05 | 2003-03-06 | Keiper Gmbh & Co | Unlocking device in a vehicle seat |
US6840579B2 (en) * | 2001-09-05 | 2005-01-11 | Keiper Gmbh & Co. | Unlocking device in a vehicle seat |
US20050056518A1 (en) * | 2002-02-06 | 2005-03-17 | Weber James Leo | Two way locking rotary drive clutch assembly |
US7182196B2 (en) | 2002-02-06 | 2007-02-27 | Intier Automotive Inc. | Two way locking rotary drive clutch assembly |
US20040036337A1 (en) * | 2002-06-19 | 2004-02-26 | Aisin Seiki Kabushiki Kaisha | Seat reclining device |
US6880887B2 (en) * | 2002-06-19 | 2005-04-19 | Aisin Seiki Kabushiki Kaisha | Seat reclining device |
US6890034B2 (en) | 2003-01-28 | 2005-05-10 | Fisher Dynamics Corporation | Compact recliner with locking cams |
US6910738B2 (en) | 2003-01-28 | 2005-06-28 | Fisher Dynamics Corporation | Device and method for assembling a recliner mechanism |
US7017995B2 (en) | 2003-12-31 | 2006-03-28 | Lear Corporation | Vehicle seat having a backrest locking assembly |
DE102004063263B4 (en) * | 2003-12-31 | 2010-06-10 | Lear Corporation, Southfield | Vehicle seat with a backrest locking arrangement |
US7025422B2 (en) | 2004-03-11 | 2006-04-11 | Fisher Dynamics Corporation | Round recliner assembly with rear folding latch |
US7097253B2 (en) | 2004-03-11 | 2006-08-29 | Fisher Dynamics Corporation | Round recliner assembly with rear folding latch |
US20060119158A1 (en) * | 2004-11-24 | 2006-06-08 | Michael Haverkamp | Vehicle seat |
US7172253B2 (en) * | 2004-11-24 | 2007-02-06 | Faurecia Autositze Gmbh & Co. Kg | Vehicle seat |
US20060170269A1 (en) * | 2004-12-28 | 2006-08-03 | Yasukazu Oki | Recliner adjuster |
US7648204B2 (en) * | 2004-12-28 | 2010-01-19 | Delta Kogyo Co., Ltd. | Recliner adjuster |
DE102005050222B4 (en) * | 2005-03-15 | 2017-06-01 | Johnson Controls Metals and Mechanisms GmbH & Co. KG | Articulated fitting for a backrest joint of a motor vehicle seat |
US20060250012A1 (en) * | 2005-03-15 | 2006-11-09 | Burkhard Becker | Hinge mounting for motor vehicle seats and having a round member |
US7357455B2 (en) * | 2005-03-15 | 2008-04-15 | C. Rob. Hammerstein Gmbh & Co. Kg | Hinge mounting for motor vehicle seats and having a round member |
CN100528629C (en) * | 2005-03-15 | 2009-08-19 | C.劳勃;汉默斯坦两合有限公司 | Hinge mounting for motor vehicle seats and having a round member |
US20060273645A1 (en) * | 2005-06-02 | 2006-12-07 | Lear Corporation | Power assist fold and tumble vehicle seat |
US7552972B2 (en) | 2005-06-02 | 2009-06-30 | Lear Corporation | Power assist fold and tumble vehicle seat |
US20080175658A1 (en) * | 2005-09-30 | 2008-07-24 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
US20080185892A1 (en) * | 2005-09-30 | 2008-08-07 | Keiper Gmbh & Co, Kg | Fitting for a vehicle seat |
US7571963B2 (en) | 2005-09-30 | 2009-08-11 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
US7563049B2 (en) * | 2005-09-30 | 2009-07-21 | Keiper Gmbh & Co. Kg | Fitting for a vehicle seat |
US7578557B2 (en) * | 2006-08-22 | 2009-08-25 | C. Rob. Hammerstein Gmbh & Co. Kg | Hinge mountings for a motor vehicle seat with at least two stopper arms |
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